JavaDepict

The model (an Enhanced Graphics OBject or EGOB) is a storable representation, totally independent of how it is viewed
Daylight's current depiction model follows this to some extent Depictions are Graphics Objects(gobs) which are exchanged as arrays of bytes.
The view is independent of the model and interacts with it only via strictly defined interfaces. This implies that it can be varied independently of the model.
The view controller communicates with both the model and its views, so as to let the user alter characteristics of either. The controller (also called the Inspector) is invoked by clicking a view and represents only that view and its model's properties.
Since the interface implemented by the model and the view will be public, 3rd party views/controllers will be integrable into the setup.